White Mountain Hearth Mantis G-Class s (FG28BM, IG28BM) Installation guide

Category
Fireplaces
Type
Installation guide
Page 1
INSTALLATION INSTRUCTIONS
POWER-VENT
HIGH-EFFICIENCY FIREPLACE
MODELS
FG28BM(N,P)-1
IG28BM(N,P)-1
Attention: Check local codes for venting requirements.
WARNING: If not installed, operated and maintained in ac-
cordance with the manufacturers instructions, this prod-
uct could expose you to substances in fuel or from fuel
combustion which can cause death or serious illness.
This appliance may be installed in an
aftermarket, permanently located,
manufactured home (USA only) or mobile
home, where not prohibited by state or local
codes.
This appliance is only for use with the type
of gas indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certied kit is used.
WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death or
property damage.
Do not store or use gasoline or other am-
mable vapors and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do
not use any phone in your building.
Leave the building immediately.
Immediately call your gas supplier
from a neighbors phone. Follow the
gas suppliers instructions.
If you cannot reach your gas supplier,
call the re department.
Installation and service must be per-
formed by a qualied installer, service
agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
HOT GLASS
DO NOT TOUCH
NEVER
WILL
CAUSE BURNS.
GLASS
UNTIL COOLED.
ALLOW CHILDREN
TO TOUCH GLASS.
WARNING
A barrier designed to reduce the risk of burns from the
hot viewing glass is provided with this appliance and shall
be installed for the protection of children and other at-risk
individuals.
31792-4-1115Page 2
TABLE OF CONTENTS
Important Safety Information ............................................................................................................ 3
Safety Information for Users of LP-Gas............................................................................................ 4
Requirements for Massachusetts ..................................................................................................... 5
Introduction ....................................................................................................................................... 6
Specications and Accessories ........................................................................................................ 7
Installation and General Safety Information ..................................................................................... 8
Gas Supply ....................................................................................................................................... 9
Vent Clearances ............................................................................................................................. 10
Venting Requirements ............................................................................................................... 11-12
Vent Adaptor Kits ............................................................................................................................ 12
PVVK-CFA Flex Vent Kit ................................................................................................................. 12
PVVTC Termination Cap Vent Kit ................................................................................................... 13
Vent Examples for Single Flue ..................................................................................................14-15
PVCA Horizontal Colinear Direct Vent Adaptor .............................................................................. 16
Colinear Transition Vent Kit ............................................................................................................ 17
Direct Vent and Colinear Vent Examples...................................................................................18-20
PVVK-24H and PVVK-48H Vent Kit ..........................................................................................21-23
Rough Framing Dimensions ........................................................................................................... 24
Insert Into Masonry Fireplace ......................................................................................................... 25
Clearance to Combustibles ............................................................................................................ 26
Specications ............................................................................................................................27-28
Gas Connection Installation............................................................................................................ 29
Lighting Instructions........................................................................................................................ 30
Wiring ............................................................................................................................................. 31
Start Up Check List......................................................................................................................... 31
Start Up and Adjustments ..........................................................................................................32-33
Remote Instructions...................................................................................................................34-40
Troubleshooting .............................................................................................................................. 41
Automatic Humidier Operation...................................................................................................... 42
Maintenance & Service..............................................................................................................42-43
Decorative Glass and Rock Media Accessory Installation.........................................................44-45
Parts List......................................................................................................................................... 46
Parts View ......................................................................................................................................47
Master Parts Distributor List ........................................................................................................... 48
How To Order Repair Parts ............................................................................................................ 48
Warranty Terms .............................................................................................................................. 49
Appliance Service History..........................................................................................................50-51
SECTION PAGE
31792-4-1115 Page 3
IMPORTANT SAFETY INFORMATION
THIS IS A HEATING APPLIANCE
WARNING
This appliance must be installed and repaired by a quali-
ed service person who is familiar with the proper instal-
lation and operation of the Mantis Power-Vent High Ef-
ciency Fireplace. Installers who are not familiar with the
installation of the Mantis and have questions, should con-
tact Empire Comfort Systems, Inc. prior to installing the
appliance to avoid creating a hazardous operating condi-
tion.
Due to high temperatures the appliance should be
located out of trafc and away from furniture and
draperies.
Children and adults should be alerted to the hazards
of high surface temperatures and should stay away to
avoid burns or clothing ignition.
Young children should be carefully supervised when
they are in the same room as the appliance. Toddlers,
young children and others may be susceptible to acci-
dental contact burns. A physical barrier is recommend-
ed if there are at risk individuals in the house. To re-
strict access to a replace or stove, install an adjustable
safety gate to keep away toddlers, young children and
other at risk individuals out of the room and away from
hot surfaces.
Clothing or other ammable material should not be
placed on or near the appliance.
Any safety screen or guard removed for servicing an
appliance, must be replaced prior to operating the
appliance.
Keep burner and control compartment clean.
For manufactured home (USA only) or mobile home
or residential installation convertible for use with
natural gas and liqueed petroleum gases when
provision is made for the simple conversion from one
gas to the other.
Young children should be carefully supervised when
they are in the same room as the appliance. Toddlers,
young children, and others may be susceptible to ac-
cidental contact burns. A physical barrier is recom-
mended if there are at-risk individuals in the house. To
restrict access to a replace or stove, install an adjust-
able safety gate to keep toddlers young children, and
other at-risk individuals out of the room and away from
hot surfaces.
A barrier designed to reduce the risk of burns from the
hot viewing glass is provided with this appliance and
shall be installed for the protection of children and other
at-risk individuals.
If the barrier becomes damaged, the barrier shall be
replaced with the manufacturers barrier for this appli-
ance.
Any safety screen, guard, or barrier removed for servic-
ing an appliance must be replaced prior to operating the
appliance.
WARNING
Installation and repair should be done by a QUALIFIED
SERVICE PERSON. The appliance should be inspected be-
fore use and at least annually by a qualied service person.
More frequent cleaning may be required due to excessive
lint from carpeting, bedding materials, etc. It is imperative
that control compartments, burners and circulating air pas-
sageways of the appliance be kept clean.
DO NOT put anything around the replace that will
obstruct the ow of combustion and ventilation air.
DO keep the appliance area clear and free from
combustible material, gasoline and other ammable
vapors and liquids.
Do examine venting system periodically and replace
damaged parts.
Do make a periodic visual check of burner. Clean and
replace damaged parts.
DO NOT use this replace if any part has been under
water. Immediately call a qualied service technician to
inspect the replace and to replace any part of the con-
trol system and any gas control which has been under
water.
DO NOT operate this appliance without the front panel
installed.
Note to the Installer
1. The installer must leave instruction manual with owner after
installation.
2. The installer must have the owner ll out and mail
registration card supplied with the replace.
3. The installer should show the owner how to start and
operate replace and thermostat.
4. The installer must locate replace near a grounded wall
receptacle for 115VAC power and must provide gas supply
and vent the replace properly for safe operation.
Safety markings are frequently used in this manual to designate a degree or level of
seriousness and should not be ignored.
WARNING indicates a potentially hazardous situation that if not avoided, could re-
sult in personal injury or death.
CAUTION indicates a potentially hazardous situation that if not avoided, may result
in minor or moderate injury or property damage.
31792-4-1115Page 4
SAFETY INFORMATION FOR USERS OF LP-GAS
LP-Gas (Propane) is a ammable gas which can cause res and
explosions. In its natural state, propane is odorless and colorless.
You may not know all the following safety precautions which can
protect both you and your family from an accident. Read them
carefully now, then review them point by point with the members
of your household. Someday, there may not be a minute to lose,
everyone’s safety will depend on knowing exactly what to do. If,
after reading the following information, you feel you still need
more information, please contact your gas supplier.
LP-GAS WARNING ODOR
If a gas leak happens, you should be able to smell the gas because of the odorant put in the LP-Gas.
That’s your signal to go into immediate action!
Do not operate electric switches, light matches, use your
phone. Do not do anything that could ignite the gas.
Get everyone out of the building, vehicle, trailer, or area. Do
that IMMEDIATELY.
Close all gas tank or cylinder supply valves.
LP-Gas is heavier than air and may settle in low areas such
as basements. When you have reason to suspect a gas leak,
keep out of basements and other low areas. Stay out until
reghters declare them to be safe.
Use your neighbor’s phone and call a trained LP-Gas service
person and the re department. Even though you may not
continue to smell gas, do not turn on the gas again. Do not
re-enter the building, vehicle, trailer, or area.
Finally, let the service man and reghters check for escaped
gas. Have them air out the area before you return. Properly
trained LP-Gas service people should repair the leak, then
check and relight the gas appliance for you.
NO ODOR DETECTED - ODOR FADE
Some people cannot smell well. Some people cannot smell the
odor of the chemical put into the gas. You must nd out if you
can smell the odorant in propane. Smoking can decrease your
ability to smell. Being around an odor for a time can affect your
sensitivity or ability to detect that odor. Sometimes other odors in
the area mask the gas odor. People may not smell the gas odor
or their minds are on something else. Thinking about smelling a
gas odor can make it easier to smell.
The odorant in LP-gas is colorless, and it can fade under some
circumstances. For example, if there is an underground leak, the
movement of the gas through soil can lter the odorant. Odorants
in LP-Gas also are subject to oxidation. This fading can occur if
there is rust inside the storage tank or in iron gas pipes.
The odorant in escaped gas can adsorb or absorb onto or into
walls, masonry and other materials and fabrics in a room. That
will take some of the odorant out of the gas, reducing its odor
intensity.
LP-Gas may stratify in a closed area, and the odor intensity
could vary at different levels. Since it is heavier than air, there
may be more odor at lower levels. Always be sensitive to the
slightest gas odor. If you detect any odor, treat it as a serious leak.
Immediately go into action as instructed earlier.
SOME POINTS TO REMEMBER
Learn to recognize the odor of LP-gas. Your local LP-Gas
Dealer can give you a “Scratch and Sniff” pamphlet. Use it
to nd out what the propane odor smells like. If you suspect
that your LP-Gas has a weak or abnormal odor, call your
LP-Gas Dealer.
If you are not qualied, do not light pilot lights, perform
service, or make adjustments to appliances on the LP-Gas
system. If you are qualied, consciously think about the odor
of LP-Gas prior to and while lighting pilot lights or performing
service or making adjustments.
Sometimes a basement or a closed-up house has a musty
smell that can cover up the LP-Gas odor. Do not try to light
pilot lights, perform service, or make adjustments in an area
where the conditions are such that you may not detect the
odor if there has been a leak of LP-Gas.
Odor fade, due to oxidation by rust or adsorption on walls
of new cylinders and tanks, is possible. Therefore, people
should be particularly alert and careful when new tanks or
cylinders are placed in service. Odor fade can occur in new
tanks, or reinstalled old tanks, if they are lled and allowed
to set too long before relling. Cylinders and tanks which
have been out of service for a time may develop internal
rust which will cause odor fade. If such conditions are sus-
pected to exist, a periodic sniff test of the gas is advisable. If
you have any question about the gas odor, call your LP-gas
dealer. A periodic sniff test of the LP-gas is a good safety
measure under any condition.
If, at any time, you do not smell the LP-Gas odorant and
you think you should, assume you have a leak. Then take
the same immediate action recommended above for the
occasion when you do detect the odorized LP-Gas.
If you experience a complete “gas out,” (the container
is under no vapor pressure), turn the tank valve off
immediately. If the container valve is left on, the container
may draw in some air through openings such as pilot light
orices. If this occurs, some new internal rusting could
occur. If the valve is left open, then treat the container as
a new tank. Always be sure your container is under vapor
pressure by turning it off at the container before it goes
completely empty or having it relled before it is
completely empty.
31792-4-1115 Page 5
REQUIREMENTS FOR MASSACHUSETTS
For all side wall horizontally vented gas fueled equipment installed
in every dwelling, building or structure used in whole or in part for
residential purposes, including those owned or operated by the
Commonwealth and where the side wall exhaust vent termination
is less than seven (7) feet above nished grade in the area of
the venting, including but not limited to decks and porches, the
following requirements shall be satised:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS.
At the time of installation of the side wall horizontal vented
gas fueled equipment, the installing plumber or gastter shall
observe that a hard wired carbon monoxide detector with an
alarm and battery back-up is installed on the oor level where
the gas equipment is to be installed. In addition, the installing
plumber or gastter shall observe that a battery operated
or hard wired carbon monoxide detector with an alarm is
installed on each additional level of the dwelling, building or
structure served by the side wall horizontal vented gas fueled
equipment. It shall be the responsibility of the property owner
to secure the services of qualied licensed professionals for
the installation of hard wired carbon monoxide detectors
a. In the event that the side wall horizontally vented gas
fueled equipment is installed in a crawl space or an attic,
the hard wired carbon monoxide detector with alarm and
battery back-up may be installed on the next adjacent
oor level.
b. In the event that the requirements of this subdivision
can not be met at the time of completion of installation,
the owner shall have a period of thirty days to comply
with the above requirements; provided, however, that
during said thirty day period, a battery operated carbon
monoxide detector with an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each
carbon monoxide detector as required in accordance with the
above provisions shall comply with NFPA 720 and be ANSI/
UL 2034 listed and IAS certied.
3. SIGNAGE. A metal or plastic identication plate shall be
permanently mounted to the exterior of the building at a
minimum height of eight feet above grade directly in line
with the exhaust vent terminal for the horizontally vented
gas fueled heating appliance or equipment. The sign shall
read, in print size no less than one-half (1/2) inch in size,
“GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS”.
4. INSPECTION. The state or local gas inspector of the side
wall horizontally vented gas fueled equipment shall not
approve the installation unless, upon inspection, the inspector
observes carbon monoxide detectors and signage installed
in accordance with the provisions of 248 CMR 5.08(2)(a) 1
through 4.
(b) EXEMPTIONS: The following equipment is exempt from
248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled
“Equipment Not Required To Be Vented” in the most
current edition of NFPA 54 as adopted by the Board;
and
2. Product Approved side wall horizontally vented gas
fueled equipment installed in a room or structure
separate from the dwelling, building or structure
used in whole or in part for residential purposes.
(d) MANUFACTURER REQUIREMENTS - GAS
EQUIPMENT VENTING SYSTEM NOT PROVIDED.
When the manufacturer of a Product Approved side
wall horizontally vented gas fueled equipment does not
provide the parts for venting the ue gases, but identies
“special venting systems”, the following requirements
shall be satised by the manufacturer:
1. The referenced “special venting system” instructions
shall be included with the appliance or equipment
installation instructions; and
2. The “special venting systems” shall be Product
Approved by the Board, and the instructions for
that system shall include a parts list and detailed
installation instruction.
(e) A copy of all installation instructions for all Product
Approved side wall horizontally vented gas fueled
equipment, all venting instructions, all parts lists for
venting instructions, and/or all venting design instructions
shall remain with the appliance or equipment at the
completion of the installation.
State of Massachusetts: The installation must be made
by a licensed plumber or gas tter in the Commonwealth of
Massachusetts.
31792-4-1115Page 6
INTRODUCTION
WARNING
The safety information listed below must be followed
during the installation, service, and operation of this
product. Failure to following the safety recommendations
could result in possible damage to the equipment, serious
personal injury, or death.
Additional code information listed below is for reference pur-
poses only and does not necessarily have jurisdiction over
local or state codes. Always consult with local authorities be-
fore installing any gas appliance.
Combustion and Ventilation Air
U.S.: National Fuel Gas Code NFPA 54/ANSI Z223.1(NFGC), Air
for Combustion and Ventilation.
Electrical Connections
U.S.: National Electrical Code (NEC) ANSI/NFPA 70
Gas Piping and Gas Pipe Pressure Testing
U.S.: NFGC and National Plumbing Codes
General Installations
U.S.: Current edition of the NFGC and NFPA 90B. For copies con-
tact the National Fire Protection Association Inc., Batterymarch
Park, Quincy, MA 02269 or American Gas Association, 400 N.
Capitol, N.W., Washington DC 20001 or www.NFPA.org.
Safety
U.S.: NFGC NFPA 5/ANSI Z223.1
31792-4-1115 Page 7
SPECIFICATIONS & ACCESSORIES
SPECIFICATIONS
Models (F,I)G28BM(N,P)
Maximum Input BTU/HR (KW/H) 20,000 (5.86)
Minimum Input BTU/HR (KW/H) 10,000 (2.93)
Height 24-9/16”
Width 28”
Depth 17-3/16”
Gas Inlet (Pipe) 3/8” Flair
Electrical - The replace comes equipped with a 5 foot (1.5 m) 3 pronged cord, for connection to an approved 115 VAC, 60 Hz, 5A
(maximum) wall receptacle.
Vent Pipe: - 1-1/2 inch diameter schedule 40 PVC pipe, 40 feet maximum equivalent length with (3) 90° elbows.
ACCESSORIES
Venting
Part Number Description
PVVK-FC Single Flue Horizontal Vent Kit
PVCA Colinear Adapter
PVCT Colinear Transition Kit
PVVK-CFA Flex Vent Kit
PVVK-SV Single Flue Vertical Vent Kit
PVVTC Vertical Termination Cap - 1-1/2”
PVVK24H Coaxial Horizontal Direct Vent Kit (24”)
PVVK48H Coaxial Horizontal Direct Vent Kit (48”)
Surrounds with Barriers
Part Number Description
FWKQ28BL
In-Wall Surround Kit, Picture Frame with
Barrier
FHKQ28BL In-Wall Surround Kit, Louverless with Barrier
FIKQ28BL
38” Wide X 30-7/8” Tall Insert Surround Kit
with Barrier
FFKQ28BL
35” Wide X 29-3/8” Tall Fireplace Mantel
Surround Kit with Barrier
Decorative Glass Kits (One kit per one square foot)
Part Number Description
DG1BKP Decorative Glass, Black Polished
DG1BUC Decorative Glass, Blue Clear
DG1CLF Decorative Glass, Clear Frosted
DG1AB
Decorative Glass Droplets -
1/2” Aqua Blue
DG1GC
Decorative Glass Droplets -
1/2” Glacier Ice
DG1 SL
Decorative Glass Droplets - 1/2” Sangria
Luster
DG1NXS
Decorative Glass Droplets -
1” Onyx Solid
DG1RYC
Decorative Glass Droplets -
1” Ruby Clear
DG1TZ
Decorative Glass Droplets -
1” Topaz Clear
Decorative Rock Kits
Part Number Description
DRFPA
Decorative Rock - Small (One kit per 1/2
square foot)
Note: The total burner cover area is two square feet.
Note: Never place media material on or next to the burner. See
pages 44-45.
Note: A barrier is required for operation of the appliance,
31792-4-1115Page 8
INSTALLATION AND GENERAL SAFETY INFORMATION
General Information
This series is designed certied in accordance with American Na-
tional Standard/CSA Standard Z21.88 as a Gas Fireplace to be
installed according to these instructions.
Any alteration of the original design, installed other than as
shown in these instructions will be the responsibility of the
person and company making the changes, and will void the
warranty. This product may not be used with any type of gas
other than what is shown on the rating plate.
Important
All Correspondence should refer to complete Model Number,
Serial Number and type of gas.
Installation
Installation, replacement, gas piping, gas utilization equipment or
accessories, and the repair and service of this equipment must
be performed by a qualied agency. The term “qualied agency”
means any individual, rm, corporation or company which either in
person or through a representative is engaged in and is respon-
sible for (a) the installation or replacement of gas piping or (b) the
connection, installation, repair or servicing of equipment, who is
experienced in such work, familiar with all precautions required
and has complied with all the requirements of the authority having
jurisdiction.
This installation must conform with local codes, or in the
absence of local codes, the National Fuel Gas Code,
NFPA 54/ANSI Z223.1.
This appliance, when installed, must be electrically grounded
in accordance with local codes or. In the absence of local
codes, with the National Electrical Code, ANSI/NFPA 70.
Provide adequate clearances around the replace for servic-
ing and ensure there are no obstructions to the combustion air
intake situated at the back of the replace. Refer to Pages 24
to 28.
The Mantis Power-Vent High-Efciency Fireplace must be in-
stalled on a at, solid continuous surface (i.e. wood, metal,
concrete). Rough or uneven surfaces can cause vibration or
humming in the replace.
This appliance does need to be installed in such a way where
the replace can be removed for servicing the heat exchanger
and the ue that are located in the rear section of the re-
place.
This appliance is equipped with a three-prong [grounding]
plug for your protection against shock hazard and should
be plugged directly into a properly grounded three-prong
receptacle. Do not cut or remove the grounding prong
from this plug. For an ungrounded receptacle, purchase an
adapter with two prongs and a wire for grounding.
Note: Under no circumstances should the appliance be installed
under conditions that would not allow for easy removal of
the appliance to carry out routine inspection and service
to the appliance.
Note: Where a mantel surround is being used on insert installa-
tions and zero clearance replace installations, the com-
bustion air intake slot located in the top mantel surround
must not be obstructed. This will allow combustion air to
enter through the slot to the combustion air inlet located
at the back of the replace.
Note: During initial ring of this replace, residual oil from the
heat exchanger may bake off and smoke may occur.
Provide adequate ventilation to the area where the re-
place is installed to prevent triggering of smoke alarms.
Refer to page 33 for more detail.
A manufactured home (USA only) or mobile home OEM installa-
tion must conform with the Manufactured Home Construction and
Safety Standard, Title 24 CFR, Part 3280, or when such a stan-
dard is not applicable, the Standard for Manufactured Home In-
stallations, ANSI/NCSBCS Z225.1, or Standard for Gas Equipped
Recreational Vehicles and Mobile Housing, CSA Z240.0.
Installation on Combustible Flooring
If this appliance is to be installed directly on carpeting, tile, or other
combustible material, other than wood ooring, the appliance shall
be installed on a metal or wood panel extending the full width and
depth of the appliance.
The base referred to above does not mean the re-proof base as
used on wood stoves. The protection is primarily for rugs that may
be extremely thick and light-color tile that can discolor.
Installation in Residential Garages
Gas utilization equipment in residential garages shall be installed
so that all burners and burner ignition devices are located not less
than 18 inches (457 mm) above the oor. The equipment shall be
located, or protected, so it is not subject to physical damage by
vehicles.
Operation of Fireplace During Construction
The replace shall not be used during construction.
WARNING
Do not operate appliance with the glass front re-
moved, or if it is cracked or broken. Replacement of
the glass shall be performed by a licensed or quali-
ed service person
31792-4-1115 Page 9
GAS SUPPLY
All gas piping must be installed in compliance with local codes and
utility regulations. In the absence of local codes the installation
must comply with NFCG NFPA 54/ANSI Z223.1.
Note: Never use plastic pipe. Check to conrm whether your
local codes allow copper tubing or galvanized.
Where permitted, exible gas connectors must be certied to the
following standards:
ANS Z21.24 Appliance Connectors of Corrugated Metal Tub-
ing and Fittings
ANS Z21.45 Assembled Flexible Appliance Connectors of
Other Than All-Metal Construction
The above connectors may be used if acceptable by the author-
ity having jurisdiction. The state of Massachusetts requires that a
exible appliance connector cannot exceed three feet in length.
A drip leg should be installed in the vertical gas supply pipe run to
the replace.
Manual Shut-off Valve
Some local regulations require the installation of a manual shut-off
valve and ground joint union external to the appliance. The shutoff
should be accessible for service and/or emergency use. Consult the
local utility or gas supplier for additional requirements regarding the
placement of the manual shut off valve. Compounds used on
threaded joints of gas piping shall be resistant to the action of liq-
ueed petroleum gases.
Leak Testing
WARNING - FIRE OR EXPLOSION HAZARD
Never test for leaks with an open ame. Check all
connections using a commercially available soap so-
lution. A re or explosion may result causing prop-
erty damage, personal injury or loss of life. Failure
to follow the safety warnings exactly could result in
serious injury, death or property damage.
After gas piping to the replace is complete, all connections must
be tested for gas leaks. This includes pipe connections at the main
gas valve, emergency shutoff valve and exible gas connectors (if
applicable). The soap and water solution can be applied on each
joint or union using a small paintbrush. If any bubbling is observed,
the connection is not sealed adequately and must be retightened.
Repeat the tightening and soap check process until the bubbling
ceases.
Important Note:
When pressure testing the gas supply lines at pressures
greater than ½ psig (14 in. w.c.), the gas supply piping system
must be disconnected from the appliance to prevent damage
to the gas control valve. If the test pressure is less than or
equal to ½ psig (14 in. w.c.), close the manual shut-off valve.
Pressure Testing of the Gas Supply System
1. To check the inlet pressure to the gas valve, a 1/8 inch N.P.T.
plugged tapping, accessible for test gauge connection, must
be placed immediately upstream of the gas supply connection
to the appliance.
2. The appliance and its individual shutoff valve must be discon-
nected from the gas supply piping system during any pres-
sure testing of that system at test pressures in excess of 1/2
psig.
3. The appliance must be isolated from the gas supply piping
system by closing its individual manual shutoff valve during
any pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 psig.
Recommended Gas Pipe Diameter
Pipe Length Schedule 40 Pipe
Inside Diameter
In Inches
Tubing, Type L
Outside Diameter
In Inches
Nat. L.P. Nat. L.P.
0-10 feet 1/2 3/8 1/2 3/8
10-40 feet 1/2 1/2 5/8 1/2
40-100 feet 1/2 1/2 3/4 1/2
100-150 feet 3/4 1/2 7/8 3/4
31792-4-1115Page 10
Figure 1
VENT CLEARANCES
US Installation
1
A = Clearance above any grade, veranda, porch or balcony 12 in (30 cm)
B = Clearance to window or door that may be opened
6 in (15 cm) for appliances ≤ 10,000 Btu/h (3 kW), 9 in (23 cm) for ap-
pliances > 10,000 Btu/h (3 kW) and ≤ 50,000 Btu/h (15 kW), 12 in (30
cm) for appliances > 50,000 Btu/h (15 kW)
C = Clearance to permanently closed windows 0
D =
Vertical clearance to ventilated soft located above the terminal
within a horizontal distance of 2 ft (61 mm) from the center line of the
terminal
18 in (46 cm)
E = Clearance to unventilated soft 18 in (46 cm)
F = Clearance of outside corner 12 in (30 cm)
G = Clearance of inside corner 12 in (30 cm)
H =
Clearance to each side of center line extended above meter/regulator
assembly
6 ft (182 cm)
I = Clearance to service regulator vent outlet 6 ft (182 cm)
J =
Clearance to non-mechanical air supply inlet to building or the com-
bustion air inlet to any other appliance
6 in (15 cm) for appliances ≤ 10,000 Btu/h (3 kW), 9 in (23 cm) for ap-
pliances > 10,000 Btu/h (3 kW) and ≤ 50,000 Btu/h (15 kW), 12 in (30
cm) for appliances > 50,000 Btu/h (15 kW)
K = Clearance to a mechanical air supply inlet 3 ft (91 cm) above if within 10 ft (3 m) horizontally
L =
Clearance above paved sidewalk or paved driveway located on public
property †
Not applicable
M = Clearance under veranda, porch deck, or balcony ¥ 18 in (46 cm)
1
In accordance with the current ANSI Z223.1/NFPA 54, National Fuel
Gas Code
A vent shall not terminate directly above a sidewalk or paved driveway
that is located between two single family dwellings and serves both
dwellings.
¥
Permitted only if veranda, porch, deck or balcony is fully open on a
minimum of two sides beneath the oor.
*
For clearances not specied in ANSI Z223.1/NFPA 54 or CSA B149.1,
refer to local codes.
31792-4-1115 Page 11
VENTING REQUIREMENTS
WARNING
This appliance must not be vented with any other applianc-
es, even if that appliance is of the condensing type. Com-
mon venting can result in severe corrosion of other appli-
ances or their venting and can allow combustion gases to
escape through such appliances or vents. Do not vent the
heater into a replace chimney or building chase.
WARNING
Upon completion of the installation, carefully inspect the en-
tire ue system to assure it is properly sealed. DO NOT use
any vent material other than what is specied in this manual.
Leaks in the ue system can result in serious personal injury
or death due to exposure of ue products, including carbon
monoxide.
The Mantis is classied as a “Category IV” appliance, which re-
quires special venting materials and installation procedures.
Installations can be Conventional (one-pipe) and Direct Vent
(two-pipe). Venting must be completed with 1-1/2 inch diameter
pipe. In selecting a location for installation, it is necessary to pro-
vide adequate clearances for servicing and proper installation.
All vent and combustion air pipes and ttings must be Schedule
40 PVC and meet the ANSI/ASTM Standard D1785. Cement must
conform to ASTM Standard D2564.
Maximum Vent Length is 40 feet with three 90° elbows. The
minimum vent length is twelve inches. Each 90° elbow used
in the vent system will be the equivalent to three feet, and each
45° elbow is equivalent to 1.5 feet, which should be added to
the overall vent length. See Table 1.
It is recommended that the Mantis Power-Vent High-Efciency
Fireplace be located on an exterior wall for ease of venting. The
ue exhaust pipe and inlet air pipe should be located between wall
studs. The required opening for venting is 1-7/8 inch in diameter
for 1-1/2 inch PVC pipe.
For vent clearances refer to Figure 1 pg 10.
The bottom of the exhaust vent terminal and the air intake shall be
located at least twelve inches above grade and must be vented
outside. It is recommended the exhaust and intake be located
twelve inches from the maximum snow level.
The ue pipe must be supported on horizontal vent runs. The ue
pipe needs to be supported every three feet. All horizontal runs of
the ue must be pitched ¼ inch per foot either towards the re-
place or away from the replace.
Note: If the vent run dips or sags, condensation may become
trapped and cause the unit to not operate properly.
The minimum vent length protruding from outside the wall is six
inches. For two-pipe installation, a minimum distance of three
inches and maximum distance of 24 inches must be maintained
between the pipes. See Figures 2 and 3.
Single ue (one-pipe) installations must have a minimum clear-
ance of two inches on the back of the replace for combustion air.
Note: If vent length requirements are not followed, the unit
will not operate properly.
Figure 3 - Colinear Direct Vent
Table 1 - Equivalent Vent Length Example
EVL = Equivalent Vent Length
EVL must be greater than or equal to 1’ and less than or equal to 40’
EVL = 90º elbow + 4’ straight pipe + 45º elbow + 2’ straight pipe + 45º elbow + 3’ straight pipe = 15’
EVL = 3
(90º elbow)
+ 4
(straight pipe)
+ 1.5’
(45º elbow)
+ 2’
(straight pipe)
+ 1.5’
(45º elbow)
+ 3
(straight pipe)
= 15’
12” MIN TO GRADE.
(RECOMMENDED 12” MIN
TO MAX EXPECTED SNOW LEVEL)
6” Min
12” MIN TO GRADE.
(RECOMMENDED 12” MIN
TO MAX EXPECTED SNOW LEVEL)
TYPICAL BOTH PIPES
9” Min
3” Min
24” Max
EXHAUST
INLET
6” Min
Figure 2 - Single Flue
31792-4-1115Page 12
VENT ADAPTOR KITS
The Vent Adaptor Kits provide a transition from the appliance
to the ue and inlet pipes. The Single Flue Horizontal Vent Kit
(PVVK-FC) provides a transition for the piping. No cement is
needed to attach the adaptor to the replace. When installing the
ue piping, use the appropriate primer and cement to permanent-
ly bond the joints and the pipes. Colinear Adaptor (part number
PVCA) provides a transition for the inlet air piping. See page 16.
THREADED
FLUE CONNECT
OR
FLUE ADAPTOR
INSTALL FOAM GASKET
FLUE CONNECTOR
O-RING
Figure 6
Figure 5
Available from Empire Comfort Systems, Inc.
PVVK-CFA FLEX VENT KIT
The PVVK-CFA ex vent kit is a exible vent hose that is 42” in length. The ex vent kit will be used when installing a Mantis into an
existing replace. The ex vent kit can be cut down, but can only be cut from one end.
Cement PVC Joints
Cut End
Cement PVC Joints
Once length is determined, install two 10 x 1/2” screws into the adaptor assembly to secure the adaptor assembly to the ex hose. Us-
ing PVC cement, cement all PVC joints of the ex vent kit to the remaining PVC vent run.
Vent Freezing Protection
When the vent pipe is exposed to temperatures below freezing
(i.e. when it passes through unheated spaces, chimneys, etc.) The
pipe must be insulated with 1/2 inch thick sponge rubber insula-
tion, Armaex-type insulation or equivalent. Insulating pipe is im-
portant to avoid condensate icing.
For proper operation, the ue exhaust must extend 6 inches from
the outside wall before applying an elbow.
VENTING REQUIREMENTS
6” MIN.
12” MAX.
SUPPORT
OUTSIDE
WALL
1/2”
ARMAFLEX
INSULATION OR
EQUIVALENT
(IF REQUIRED)
12” ABOVE
MAXIMUM
EXPECTED
SNOW LEVEL
Figure 4
31792-4-1115 Page 13
PVVTC TERMINATION CAP VENT KIT
Available from Empire Comfort Systems, Inc.
Termination Cap
PVVTC Vertical exhaust cap for use with 1 1/2” PVC pipe installation.
Termination cap also used with colinear transition plate model PVCT.
Refer to gures 10-15, 19 and 20 for venting examples.
PVC CEMENT
31792-4-1115Page 14
VENT EXAMPLES FOR SINGLE FLUE
Figure 8 displays a single ue (one-pipe) installation. Because
the distance from the replace to the rst elbow is more than six
inches, the rst 90° elbow must be considered into the total vent
length. The equivalent length of the second 90° elbow also needs
to be added to the total length, but the third elbow does not since it
is the ue terminal. The total horizontal vent length of the ue sys-
tem is seven feet, and the total vertical length is 27 feet. The two
90° elbows are equivalent to six feet, bringing the total to 40 feet.
90
ELBOW°
2’
(61.0cm)
27’
(8.2m)
5’
(1.5m)
VENT TERMINAL
90° ELBOW
(NOT COUNTED)
3 FEET
FIRST 90
DOES NOT GET COUNTED
WHEN WITHIN 6” (15.2cm)
OFF BACK OF HEATER
° ELBOW
SLOPE
Figure 8
Single Flue - Horizontal Tall Vent Run
Example Calculation Max Vent Run 40 feet
H = 5’ + 2’ = 7’
V = 27’
(2) - 90° = 6’
Total = 40’
Figure 7
Single Flue - Straight Out Back
Min 6” Outside Wall
Min 2” From Fireplace to Wall for Intake Air
Min vent length 12”
12” MIN. TO GRADE
(RECOMMENDED 12” MIN.
TO EXPECTED SNOW LEVEL)
6” MIN.
MIN. 2”
12” MIN.
90 ELBOW°
36’
(11m)
1’
(30.5cm)
SINGLE FLUE ADAPTOR
MODEL #PVVK-FC
SLOPE
Figure 9
Single Flue - Vertical Vent Run
H = 1’
V = 36’
(1) - 90° = 3’
Total = 40’
31792-4-1115 Page 15
VENT EXAMPLES FOR SINGLE FLUE
FLEXIBLE PVC PIPE WITH
1 ½" COUPLING ON EACH END
(MODEL
# PVVK-CFA)
FLEXIBLE GAS
LINE
PVC PIPE SWV
(SUPPLIED BY INSTALLER)
(2) - 45 DEG. PVC BENDS
(SUPPLIED BY INSTALLER
IF NECCESSARY)
GALV. SHEET FLASHING
TO SEAL CHIMNEY
(SUPPLIED BY INSTALLER)
VENT CAP (SUPPLIED
WITH VENT KIT MODEL # PVVK-SV)
CUT END
V
H
42”
Figure 10 - Venting for Existing Fireplace Installation
Determining Minimum Vent Height Above the Roof
WARNING: Major U.S. building codes specify minimum chimney
and/or vent height above the rooftop. These minimum heights are
necessary in the interest of safety.
Figure 11
Single Flue - Vertical Vent Run
with 45 degree elbows
WARNING: Major U.S. building codes specify minimum chimney
and/or vent height above the rooftop. These minimum heights are
necessary in the interest of safety. These specications are sum-
marized in Figure 11.
MANTEL
PVC PIPE
(SUPPLIED BY INSTALLER)
2 - 45 DEG. PVC
BENDS (SUPPLIED
BY INSTALLER)
GAS SUPPLY
FLASHING
H
SURROUND
VENT CAP
(SUPPLIED WITH VENT KIT)
MODEL #PVVK-SV
X
12
ROOF PITCH
IS
12
X
FLEXIBLE PVC PIPE
WITH 1 1/2” COUPLING ON EACH END
MODEL #PVVK-CFA
ROOF PITCH H (Min.)
Flat to 6/12 12” (305 mm)
6/12 to 7/12 15” (381 mm)
Over 7/12 to 8/12 18” (457 mm)
Over 8/12 to 16/12 24” (610 mm)
Over 16/12 to 21/12 36” (914 mm)
Determining Minimum Vent Height Above the Roof
31792-4-1115Page 16
PVCA HORIZONTAL COLINEAR DIRECT VENT ADAPTOR
COLINEAR ADAPTER
SINGLE FLUE HORIZONT
AL
ADAPTER MODEL
PVVK-FC
1. Attach colinear adaptor to back of replace with two screws.
2. When adapter is connected, continue with your vent run.
Cementing PVC joint is recommended, but not required on
colinear fresh air intake adaptor.
Colinear adaptor
4 13/16”
3 11/16”
6 1/8”
7 5/16”
31792-4-1115 Page 17
COLINEAR TRANSITION VENT KIT
The Colinear Transition Kit (Part number PVCT) is available and
can be used to secure the ue and inlet pipes from the Mantis.
When venting vertically, the exhaust pipe termination must be a
minimum of 3 inches above the air inlet.
The ue can be terminated with a PTrap or two 90° elbows. The
Vertical Termination Cap (Part number PVVTC) can also be used
to terminate the ue pipe when using the Colinear Transition Kit.
AIR INTAKE
PTRAP OR290° ELBOWS
SUPPLIED BY INSTALLER
TRANSITION
PLATE
PVC CEMENT
PVC CEMENT
OUTDOOR SEALER REQUIRED
OPTIONAL
TERMINATION CAP
3” MIN.
REQUIRED HEIGHT IS 12” MINIMUM.
IT IS RECOMMENDED TO BE 12” ABOVE
THE MAXIMUM EXPECTED SNOW
LEVEL.
AIR INTAKE
PTRAP OR290° ELBOWS
SUPPLIED BY INSTALLER
TRANSITION PLATE
PVC CEMENT
PVC CEMENT
OUTDOOR SEALER REQUIRED
3” MIN.
EXHAUST
PTRAP OR 2 90° ELBOWS
SUPPLIED BY INSTALLER
REQUIRED HEIGHT IS 12” MINIMUM.
IT IS RECOMMENDED TO BE 12” ABOVE
THE MAXIMUM EXPECTED SNOW LEVEL.
Installation of the Colinear Transition Plate
1. Attach the plate to chimney chase, at roof, or outside wall
with four screws. Use outdoor sealant to seal the transition
plate to the surface.
2. Cut inlet air pipe and ue exhaust pipe to correct lengths.
For vertical terminations through the roof or chimney, the air
intake and exhaust pipe termination must be a minimum of
twelve inches above the roof line. It is recommended that
the air intake and exhaust pipe termination be twelve inches
above the maximum expected snow level. See Figures 13
and 14. When venting vertically, the exhaust pipe termination
must be a minimum of three inches above the air intake. Also
refer to local codes. For horizontal termination through out-
side walls, the minimum pipe length is nine inches for exhaust
pipe termination and six inches for the air intake.
3. Attach the ue and inlet air pipes to the transition plate. Use
the appropriate primer and cement to permanently bond the
joints and the pipes to the transition plate.
Figure 12
Figure 13
Available from Empire Comfort Systems, Inc.
Colinear Transition Plate
Note: Must maintain a minimum 3” be-
tween exhaust outlet and air intake.
31792-4-1115Page 18
DIRECT VENT AND COLINEAR VENT EXAMPLES
Max Vent Run - 40 ft. Equivalent With Three 90° Elbows
Special Note: The vent terminal 90° elbow and rst 90° elbow
off back of the fireplace, when within six inches (15.2 cm),
do not contribute to the overall vent length measurement.
For each 45° elbow installed in the run, the length of the run
MUST be reduced by 1.5 feet (45 cm). Reduce the length of the
run three feet (91.4 cm) for every 90° elbow.
6’
5’
10’
10’
SINGLE FLUE ADAPTER
MODEL PVVK-FC
CO-LINEAR DIRECT
VENT ADAPTER
MODEL PVCA
FIRST 90
DOES NOT GET COUNTED
WHEN WITHIN 6” (15.2cm)
OFF BACK OF HEATER
° ELBOW
90° ELBOW
3 FEET
90° ELBOW
3 FEET
CO-LINEAR TRANSITION
MODEL PVCT
OPTIONAL
VERTICAL TERMINA
TION CAP
MODEL PVVTC
PTRAP
H = 5’ + 6’ = 11
V = 10’+ 10’= 20’
(3) 90° = 9’
TOTAL= 40’
SIDE VIEW
3” MIN.
12” MIN.
FLAT ROOF
3” MIN.
12” MIN.
EXHAUST
AIR INTAKE
EXHAUST
AIR INTAKE
SLOPE
SLOPE
Figure 14
Calculation example of vent run maximum 40 feet
Figure 14 displays a two-pipe installation. Because the distance
from the replace to the rst elbow is more than six inches, the
length allowance for the rst 90° elbow must be added to the total
vent length. The equivalent length of the second 90° elbow also
needs to be added to the total length. The third elbow also needs
to be included. The equivalent length of the PTrap does not need
to be added since it is the termination. The total horizontal vent
length of the ue system is eleven feet, and the total vertical length
is 20 feet. The three 90° elbows are equivalent to nine feet, bring-
ing the total to 40 feet.
Note: The exhaust must be a minimum of three inches above the
inlet air pipe. The ue must be at least twelve inches from the roof
line, and it is recommended to be at least twelve inches above the
maximum expected snow level as indicated in Figures 13 through
20.
Note: On horizontal runs, a P.V.C. support clamp needs to be in-
stalled every three feet. No “sags” in horizontal vent runs; water
will settle in the pipe.
When installing a colinear horizontal, the minimum vent length
protruding from the outside wall is six inches (15.2 cm) for air in-
take and nine inches for exhaust. See Figure 15.
Note: Horizontal discharge 90° elbow must be pointed downward.
See Figure 15. All horizontal runs require either a 1/4” per foot rise
to run condensation back to the fireplace, or a 1/4” per foot down-
ward slope to run condensation away from the fireplace.
Note: All PVC vent run piping can be purchased at a local hard-
ware store. Schedule 40 PVC pipe should be used and cemented.
PVCA Horizontal Colinear Direct Vent Adaptor, PVVTC Cap, PV-
VK-CFA Flex Kit and PVVK-SH Horizontal Vent Adaptor Kit are
available from Empire Comfort Systems, Inc.
In both vertical and horizontal colinear direct vent applications,
a colinear transition plate model PVCT can be used to minimize
clearances between intake and exhaust pipes.
For horizontal colinear direct venting, exhaust and intake air, cap
pipes with 90º elbows, pointed downward.
Note: If transition plate (model PVCT) is used, the measurement
for center to center of the pipes will be 2.5”. If the transition plate
(model PVCT) is not used, the measurement for center to center
of the pipes can be 3” to 24” maximum.
9”
MIN.
MIN. 2”
6” MIN.
3” MIN.
12" MIN TO GRADE
(RECOMMENDED 12"MIN.
TO MAX EXPECT SNOW LEVEL)
Figure 15
Note: Exhaust must be a
minimum of 3 inches above
air intake inlet.
31792-4-1115 Page 19
DIRECT VENT AND COLINEAR VENT EXAMPLES
MODEL PVCT
12” MIN.
EXTERIOR GRADE
CO-LINEAR DIRECT VENT
ADAPTER
MODEL PVCA
SINGLE FLUE ADAPTER
MODEL PVVK-FC
Figure 16
In direct vent applications, the minimum distance between the two
pipes is three inches and the maximum distance is 24 inches. The
ue exhaust and air inlet can be terminated with either a PTrap or
two 90° elbows as shown in Figures 12, 13 and 14. The Vertical
Termination Cap shown on page 13 (Part number PVVTC) can
also be used.
Figure 17
In both vertical and horizontal colinear direct vent applications,
a colinear transition plate model PVCT can be used to minimize
clearances between intake and exhaust pipes.
For exhaust and intake air, cap pipes with any of the following:
Vertical termination cap (model #PVVTC), PTrap, or two 90º el-
bows. When transition plate (model PVCT) is used, two termina-
tion caps (model PVVTC) may NOT be used.
Note: If transition plate (model PVCT) is used, the measurement
for center to center of the pipes will be 2.5”. If the transition plate
(model PVCT) is not used, the measurement for center to center
of the pipes can be 3” to 24” maximum.
31792-4-1115Page 20
DIRECT VENT AND COLINEAR VENT EXAMPLES
3” MIN.
EXHAUST: VERTICAL TERMINATION
CAP 1.5” MODEL PVVTC, PTRAP OR
2 90° ELBOWS
AIR INTAKE
PTRAP OR 2 90° ELBOWS
(SUPPLIED BY INSTALLER)
SINGLE FLUE
MODEL PVVK - FC
EXHAUST
AIR INTAKE
CO-LINEAR
DIRECT VENT
ADAPTER
MODEL PVCA
AT
TACH OPTIONAL VENT KIT
MODEL
PVCT PLATE TO GALV.
SHEET
FLASHING (CHASE)
WITH (4) SCREWS.
USE OUTDOOR SEALER
BETWEEN PLA
TE AND CHASE.
45° ELBOW
45° ELBOW
FLEX PVC PIPE
WITH 1.5” COUPLING
ON EACH END
MODEL PVVK-CFA
FLAT ROOFFLAT ROOF
2.5”- 24”
23 1/2”
(59.7cm)
H
FLASHING
REQUIRED
H
REQUIRED HEIGHT IS 12”
MINIMUM. IT IS RECOMMENDED
TO BE 12” ABOVE THE
EXPECTED SNOW LEVEL.
3” - 24”
OPTION
OPTION
AIR INTAKE
PTRAP, 2 90° ELBOWS (SUPPLIED
BY INSTALLER) OR TERMINATION CAP
MODEL PVVTC. PTRAP TO FACE
AWAY FROM ROOF.
EXHAUST
TERMINATION CAP
MODEL PVVTC, PTRAP
OR 2 90° ELBOWS
SLOPE
Colinear Direct Vent - Insert Installation
Figure 18
Colinear Direct Vent - Pitched Roof Installation
Figure 19
WARNING: Major U.S. building codes specify minimum chim-
ney and/or vent height above the rooftop. These minimum
heights are necessary in the interest of safety. These specica-
tions are summarized in Figure 19.
Determining Minimum Vent Height Above the Roof
ROOF PITCH H (Min.)
Flat to 6/12 12” (305 mm)
6/12 to 7/12 15” (381 mm)
Over 7/12 to 8/12 18” (457 mm)
Over 8/12 to 16/12 24” (610 mm)
Over 16/12 to 21/12 36” (914 mm)
Note: Exhaust must be a mini-
mum of 3” above air intake inlet.
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White Mountain Hearth Mantis G-Class s (FG28BM, IG28BM) Installation guide

Category
Fireplaces
Type
Installation guide

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